Development of a Specific Fluorescent Probe for 8-Oxoguanosine
Author(s) -
Syû Ono,
Zhiqing Li,
Y. Koga,
Akira Tsujimoto,
Osamu Nakagawa,
Shigeki Sasaki
Publication year - 2007
Publication title -
nucleic acids symposium series
Language(s) - English
Resource type - Journals
eISSN - 1746-8272
pISSN - 0261-3166
DOI - 10.1093/nass/nrm158
Subject(s) - fluorescence , fluorophore , clamp , guanosine , chemistry , biophysics , biology , biochemistry , optics , physics , clamping , mechanical engineering , engineering
8-Oxoguanosine (8-oxoG) is derived from the oxidation of guanosine (dG) and is known to induce transversion mutations (G:C to T:A) in DNA. We have already reported the fluorescent probe "8-oxoG-clamp", which shows a selective fluorescence quenching phenomenon toward 8-oxoG. In this study, attachment of an additional fluorophore to 8-oxoG-clamp was investigated as a strategy for the detection of 8-oxoG by a fluorescence color change attributed to the 8-oxoG-clamp.
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